Home / 26,829.84-40,245.12-8,110.02

Finding the Fourth Proportional to 26,829.84, 40,245.12 and 8,110.02

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Solution

The fourth proportional to 26,829.84, 40,245.12 and 8,110.02 is: 12,165.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,829.84 : 40,245.12 = 8,110.02 : x
  2. Step 2: Convert to fraction form
    26,829.84/40,245.12 = 8,110.02/x
  3. Step 3: Cross multiply
    26,829.84x = 40,245.12 × 8,110.02
  4. Step 4: Simplify right side
    26,829.84x = 326,388,728.10
  5. Step 5: Solve for x
    x = 326,388,728.10/26,829.84
  6. Step 6: Final answer
    x = 12,165.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.